– Never use O-rings that have been glued together from material sold by the
yard.
▪
Assembly adhesives
– Avoid the use of assembly adhesives, if possible.
For reassembly, tighten all screws and bolts as specified in this manual.
In addition, secure all screwed connections closing off the flameproof enclosure with
a thread-locking agent (Loctite type 243).
7.5.2
Reassembling the motor section
DANGER
Wrong screws/bolts
Explosion hazard!
▷
Only use original screws/bolts on explosion-proof submersible mixers.
NOTE
Before reassembling the motor section, check that all joints relevant to explosion
protection (flamepaths) are undamaged. Components with damaged flamepaths
must be replaced. Only use original spare parts made by KSB for explosion-proof
submersible mixers. The flamepaths are shown in the relevant drawings. (
⇨
Section
9.2 Page 47)
All screwed connections closing off the flameproof enclosure must be secured with
a thread-locking agent (Loctite Type 243).
7.5.3
Installing the mechanical seal
The following rules must be observed when installing the mechanical seal:
▪
Work cleanly and accurately.
▪
Only remove the protective wrapping of the contact faces immediately before
installation takes place.
▪
Prevent any damage to the sealing surfaces or O-rings.
932.04
932.03
433.02
932.05
161
433.01
Fig. 12: Installing the mechanical seal
✓
The individual parts are kept in a clean and level assembly area.
✓
All disassembled parts have been cleaned and checked for wear.
✓
Damaged or worn parts have been replaced by original spare parts.
✓
The sealing surfaces have been cleaned.
Tightening torques
7 Servicing/Maintenance
Amamix
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